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IR2159 Datasheet(PDF) 6 Page - International Rectifier

Part No. IR2159
Description  DIMMING BALLAST CONTROL IC
Download  25 Pages
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Maker  IRF [International Rectifier]
Homepage  http://www.irf.com
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IR2159 Datasheet(HTML) 6 Page - International Rectifier

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IR2159/IR21591 (S)
6
www.irf.com
OVER-
TEMP
DETECT
LEVEL
SHIFT
PULSE
FILTER &
LATCH
3
5.1V
4
6
10V
2
1.3uA
5
7
I
DT+ICT
8
5.1V
1.0V
CPH
DIM
MAX
MIN
FMIN
IPH
VCO
Q
S
R2 Q
R1
Q
T
RQ
16
14
15
VS
HO
VB
13
11
12
COM
LO
VCC
15.6V
10
1.6V
CS
QS
R
Q
UNDER-
VOLTAGE
DETECT
9
SD
2.0V
1
VDC
I
CT
I
CT
15uA
1uA
60uA
CT
4/R
FMIN
I
FMIN
Q
S
RQ
Q
S
RQ
I
DIM
1/R
FMIN
5.1V
1
0
VCC
400ns
DELAY
7.6V
10 CYCLES
IGNITION
COUNTER
Q
S
RQ
5.1V
3V
R
FB
V
DIMTH
ERR
REF
FB
CT
I
DIM /5
Lead Assignments & Definitions
Block Diagram
Pin # Symbol
Description
1
11
10
9
3
8
7
6
5
4
2
16
15
14
13
12
VDC
HO
VB
VS
VCC
COM
LO
CS
SD
FMIN
MIN
MAX
DIM
CPH
VCO
Line input voltage detection
Voltage controlled oscillator Input
Preheat timing input
0.5 to 5VDC dimming control input
Maximum lamp power setting
Minimum lamp power setting
Minimum frequency setting
Shutdown input
Current sensing input
Low-side gate driver output
IC power & signal ground
Logic & low-side gate driver supply
High-side gate driver floating supply
High voltage floating return
High-side gate driver output
Pin Assignments
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
VDC
VCO
CPH
DIM
MAX
MIN
FMIN
IPH
LO
COM
VCC
VB
VS
HO
SD
CS
IPH
Peak preheat current reference


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